Demonstration : Frogger for the IBM PC by Sierra On-line

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Published on ● Video Link: https://www.youtube.com/watch?v=LtlOqErP66Q



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This capture was taken with my IBM PC/XT running Frogger off a floppy disk and a CGA card. Note how the background color changes between blue and black in the middle of the screen, that was an impressive way to get an extra color when CGA supports only 4 colors in 320x200 mode. This game was made when the only PC system speed was a 4.77MHz 8088, so the split is rather timing sensitive. A little way into the video I cycle the background colors as the game supports. A very useful but sadly too uncommon feature this game supports is the ability to redefine keys. The default keys are A for Up, Z for Down, ' for Left and ` for Right, which only works for the IBM Model F XT keyboard.

The graphics are captured through a Datapath VisionRGB E1s and the PC speaker via the alligator clip method. I captured video at 360x240 and upscaled to 1800x1440. I recommend not turning the volume all the way up for this video.

The only major thing not shown in this video is the high score table, it should show after you lose all your lives, but only if your score cracks the high score table. Mine did not :P